<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script type="text/javascript">
        var input='1a23bc456def789';
        var rg01=/(\d+)([a-z]+)/g;
        var result;
        while(result=rg01.exec(input)){
            console.log(result[0]);
        }




    </script>

</head>
<body>

</body>
</html>